X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fbackend.lisp;h=6c0c529214907da4ecfd807e7297f1ca58551c06;hb=31361af9eb64344f521abbb245ea784c76c746e5;hp=06e7d530203f31024f25d3f87454ca7dae2320de;hpb=a530bbe337109d898d5b4a001fc8f1afa3b5dc39;p=sbcl.git

diff --git a/src/compiler/backend.lisp b/src/compiler/backend.lisp
index 06e7d53..6c0c529 100644
--- a/src/compiler/backend.lisp
+++ b/src/compiler/backend.lisp
@@ -20,25 +20,11 @@
 ;;;; files for more information.
 
 (in-package "SB!C")
-
-(file-comment
-  "$Header$")
 
 ;;;; miscellaneous backend properties
 
-;;; the conventional file extension for fasl files on this architecture,
-;;; e.g. "x86f"
-(defvar *backend-fasl-file-type* nil)
-(declaim (type (or simple-string null) *backend-fasl-file-type*))
-
-;;; implementation and version of fasl files used
-(defvar *backend-fasl-file-implementation* nil)
-(defvar *backend-fasl-file-version* nil)
-(declaim (type (or keyword null) *backend-fasl-file-implementation*))
-(declaim (type (or index null) *backend-fasl-file-version*))
-
-;;; the number of references that a TN must have to offset the overhead of
-;;; saving the TN across a call
+;;; the number of references that a TN must have to offset the
+;;; overhead of saving the TN across a call
 (defvar *backend-register-save-penalty* 0)
 (declaim (type index *backend-register-save-penalty*))
 
@@ -119,7 +105,7 @@
 ;;; The T primitive-type is kept in this variable so that people who
 ;;; have to special-case it can get at it conveniently. This variable
 ;;; has to be set by the machine-specific VM definition, since the
-;;; DEF-PRIMITIVE-TYPE for T must specify the SCs that boxed objects
+;;; !DEF-PRIMITIVE-TYPE for T must specify the SCs that boxed objects
 ;;; can be allocated in.
 (defvar *backend-t-primitive-type*)
 (declaim (type primitive-type *backend-t-primitive-type*))
@@ -171,7 +157,7 @@
 	     `(progn
 		(eval-when (:compile-toplevel :load-toplevel :execute)
 		  (defparameter *vm-support-routines* ',routines))
-		(defstruct vm-support-routines
+		(defstruct (vm-support-routines (:copier nil))
 		  ,@(mapcar #'(lambda (routine)
 				`(,routine nil :type (or function null)))
 			    routines))
@@ -228,7 +214,7 @@
 
 (defprinter (vm-support-routines))
 
-(defmacro def-vm-support-routine (name ll &body body)
+(defmacro !def-vm-support-routine (name ll &body body)
   (unless (member (intern (string name) (find-package "SB!C"))
 		  *vm-support-routines*)
     (warn "unknown VM support routine: ~A" name))
@@ -245,13 +231,3 @@
 ;;; the VM support routines
 (defvar *backend-support-routines* (make-vm-support-routines))
 (declaim (type vm-support-routines *backend-support-routines*))
-
-;;;; utilities
-
-(defun backend-byte-fasl-file-implementation ()
-  *backend-byte-order*)
-
-(defun backend-byte-fasl-file-type ()
-  (ecase *backend-byte-order*
-    (:big-endian "bytef")
-    (:little-endian "lbytef")))